Related content about thinkphp base class

ThinkPHP base class library

The class library is the core part of ThinkPHP, and ThinkPHP manages all system class libraries together through the concept of base class library. The core base class library includes basic classes and common tool classes necessary to complete the universal development of the framework.

The base class library is located in the Lib/Think directory under the ThinkPHP system directory and consists of the following parts:

1. Core: Core class library package

2. Db: Database class library package

3. Exception: Exception handling class library package

4. Template: Built-in template engine Class library package

5. Util: System tool class library package

Core core class library

Core core class library includes the following Class file (directory):

1. Think.class.php: System base class

2. App.class.php: Application class, execution Application Management

3. Action.class.php: Controller base class

4. Model.class.php: Model base class

5. Model/AdvModel.class.php: Advanced model class

6. Model/RelationModel.class.php: Relation model class

7. Model/ViewModel.class.php: View model class

8. Log.class.php: Log processing class

9. View.class .php: View output class

Db database class library

Db core class library includes the following class files (directories):

1. Db.class.php: Database middle layer implementation class

2. Driver/DbMysql.class.php: Mysql database driver class

3. Driver /DbMysqli.class.php：Mysqli database driver class

4. ##Driver/DbPdo.class.php：PDO database driver class

5. Driver/DbPgsql .class.php：Pgsql database driver class

##Driver/DbSqlite.class.php：Sqlite database driver class

6. ##Driver/DbOracle.class .php：Oracle database driver class

7. Driver/DbMssql.class.php：Mssql database driver class

8. Driver/DbIbase.class.php ：Ibase database driver class

9. There are different database driver classes for different databases in the Driver directory, and then through the Db.class.php database middle layer to implement class processing, it is displayed in ThinkPHP What users have in front of them is a unified database operation model.

Exception exception handling class library

Exception exception handling class library package contains only one class file: ThinkException.class.php system exception base class.

Template Built-in template engine class library

Template Built-in template engine class library includes the following class files (directories):.

ThinkTemplate.class.php: Built-in template engine class

1. TagLib.class.php: Tag library base class

2. TagLib/TagLibCx.class.php：CX tag library parsing class

3. TagLib/TagLibHtml.class.php：HTML tag library parsing class

4. Util system tool library package

Util system tool class library package provides some basic tools in system development, including:

Behavior .class.php: Behavior extension base class

1. Cache.class.php: Cache management class

2. Cookie.class.php: Cookie management Class

3. Debug.class.php: System debugging class

4. Dispatcher.class.php: URL parsing, routing and dispatch management class

5. HtmlCache.class.php: Static cache class

6. Session.class.php: Session management class

7. Widget.class.php: Plug-in application class

8. Cache/: Various types of cache class file directories, including: file cache class, Sqlite cache class, Apachenote cache class, Memcache cache class , Xcache cache class, database type cache class, etc.

9. Template/: Template engine parsing class directory, including: EaseTemplate template engine parsing class, TemplateLite template engine parsing class, Smart template engine parsing class, Smarty template engine parsing class, Think template engine parsing class

ThinkPHP extension class library

ThinkPHP official website provides a lot of additional base class library extensions. These extension class libraries must be placed in the ORG under the ThinkPHP system directory/Lib directory. Or managed within the Com class library package.

For the class library that needs to be added to the extended class library package, you can directly copy the class library file with the path to the extended class library management directory and then use it. For example, if you want to use Util/Page.class.php paging extension class library, go directly to the extension class library management directory to form Lib/ORG/Util/Page.class.php.

You need to use the import command to import the extended class library before it can be used. For details, please refer to this section "ThinkPHP import class library import".

Application Class Library

Application class library refers to the class library that is defined or used in the project. The application class library directory is located in the Lib directory under the project directory.

The above is an introduction to the core of ThinkPHP - class library. Understanding the ThinkPHP class library will help us understand the hierarchy and working principles of ThinkPHP. When necessary, referring to the source code of these class libraries will also help solve the problem.

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